7440069 has 16 divisors (see below), whose sum is σ = 12209792. Its totient is φ = 3924288.

The previous prime is 7440061. The next prime is 7440089. The reversal of 7440069 is 9600447.

It is not a de Polignac number, because 7440069 - 2³ = 7440061 is a prime.

It is a super-2 number, since 2×7440069² = 110709253449522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7440061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13354 + ... + 13899.

It is an arithmetic number, because the mean of its divisors is an integer number (763112).

Almost surely, 2^7440069 is an apocalyptic number.

It is an amenable number.

7440069 is a deficient number, since it is larger than the sum of its proper divisors (4769723).

7440069 is a wasteful number, since it uses less digits than its factorization.

7440069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27276.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 7440069 is about 2727.6489876815. The cubic root of 7440069 is about 195.2206050345.

The spelling of 7440069 in words is "seven million, four hundred forty thousand, sixty-nine".